Based on this product's specifications, here are some alternatives and similar models
Brake liner Clarks CLARK'S 2P with Teflon 5 mm x 30 m black
Summary description:
Clarks CLARK'S 2P brake liner with Teflon is a 5 mm diameter, 30-meter long black brake housing liner intended for bicycle brake systems. The product provides a low-friction inner surface due to Teflon coating, helping smoother cable movement and reduced wear. Suitable for long runs, replacement or build projects requiring a continuous inner liner.